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diff --git a/tests/functional/snapshot/test_validate_snaps_dir_over_uss.py b/tests/functional/snapshot/test_validate_snaps_dir_over_uss.py
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+# Copyright (C) 2017-2018 Red Hat, Inc. <http://www.redhat.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+"""
+ Description:
+ The purpose of this test case is to ensure that USS validation.
+ Where .snaps folder is only readable and is listing all the snapshots
+ and it's content. Also ensures that deactivated snapshot
+ doesn't get listed.
+
+"""
+
+from glusto.core import Glusto as g
+from glustolibs.gluster.exceptions import ExecutionError
+from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
+from glustolibs.misc.misc_libs import upload_scripts
+from glustolibs.io.utils import (validate_io_procs,
+ view_snaps_from_mount)
+from glustolibs.gluster.uss_ops import (enable_uss, disable_uss,
+ is_uss_enabled,
+ uss_list_snaps)
+from glustolibs.gluster.snap_ops import (snap_create,
+ get_snap_list,
+ snap_delete_all,
+ snap_activate)
+
+
+@runs_on([['replicated', 'distributed', 'distributed-replicated',
+ 'dispersed', 'distributed-dispersed'],
+ ['glusterfs', 'nfs', 'cifs']])
+class TestValidateUss(GlusterBaseClass):
+ @classmethod
+ def setUpClass(cls):
+ """
+ setup volume and initialize necessary variables
+ """
+
+ GlusterBaseClass.setUpClass.im_func(cls)
+ # Setup volume and mount
+ g.log.info("Starting to Setup Volume and Mount Volume")
+ ret = cls.setup_volume_and_mount_volume(mounts=cls.mounts)
+ if not ret:
+ raise ExecutionError("Failed to Setup_Volume and Mount_Volume")
+ g.log.info("Successful in Setup Volume and Mount Volume")
+
+ # Upload io scripts for running IO on mounts
+ g.log.info("Upload io scripts to clients %s for running IO on "
+ "mounts", cls.clients)
+ script_local_path = ("/usr/share/glustolibs/io/scripts/"
+ "file_dir_ops.py")
+ cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/"
+ "file_dir_ops.py")
+ ret = upload_scripts(cls.clients, script_local_path)
+ if not ret:
+ raise ExecutionError("Failed to upload IO scripts "
+ "to clients %s" % cls.clients)
+ g.log.info("Successfully uploaded IO scripts to clients %s",
+ cls.clients)
+
+ def tearDown(self):
+ """
+ tearDown for every test
+ """
+
+ g.log.info("Deleting all snapshots created")
+ ret, _, _ = snap_delete_all(self.mnode)
+ if ret != 0:
+ raise ExecutionError("Snapshot Delete Failed")
+ g.log.info("Successfully deleted all snapshots")
+
+ # disable uss for volume
+ g.log.info("Disabling uss for volume")
+ ret, _, _ = disable_uss(self.mnode, self.volname)
+ if ret != 0:
+ raise ExecutionError("Failed to disable uss")
+ g.log.info("Successfully disabled uss for volume"
+ "%s", self.volname)
+
+ # Calling GlusterBaseClass tearDown
+ GlusterBaseClass.tearDown.im_func(self)
+
+ @classmethod
+ def tearDownClass(cls):
+ """
+ Clean up the volume & mount
+ """
+ # stopping the volume and clean up the volume
+ g.log.info("Starting to Cleanup Volume")
+ ret = cls.unmount_volume_and_cleanup_volume(cls.mounts)
+ if not ret:
+ raise ExecutionError("Failed to Cleanup Volume and mount")
+ g.log.info("Successful in Cleanup Volume and mount")
+
+ # calling GlusterBaseClass tearDownClass
+ GlusterBaseClass.tearDownClass.im_func(cls)
+
+ def test_validate_snaps_dir_over_uss(self):
+
+ # pylint: disable=too-many-statements
+ """
+ Run IOs on mount and take 2 snapshot.
+ Activate 1 snapshot and check directory listing.
+ Try to write to .snaps should not allow.
+ Try listing the other snapshot should fail.
+ """
+
+ # run IOs
+ self.counter = 1
+ g.log.info("Starting IO on all mounts...")
+ self.all_mounts_procs = []
+ for mount_obj in self.mounts:
+ g.log.info("Starting IO on %s:%s", mount_obj.client_system,
+ mount_obj.mountpoint)
+ cmd = ("python %s create_deep_dirs_with_files "
+ "--dirname-start-num %d "
+ "--dir-depth 2 "
+ "--dir-length 2 "
+ "--max-num-of-dirs 2 "
+ "--num-of-files 2 %s" % (self.script_upload_path,
+ self.counter,
+ mount_obj.mountpoint))
+
+ proc = g.run_async(mount_obj.client_system, cmd,
+ user=mount_obj.user)
+ self.all_mounts_procs.append(proc)
+ self.io_validation_complete = False
+
+ # Validate IO
+ g.log.info("Wait for IO to complete and validate IO ...")
+ ret = validate_io_procs(self.all_mounts_procs, self.mounts)
+ self.assertTrue(ret, "IO failed on some of the clients")
+ self.io_validation_complete = True
+ g.log.info("I/O successful on clients")
+
+ # get the snapshot list.
+ snap_list = get_snap_list(self.mnode)
+ self.assertEqual(len(snap_list), 0, "Unexpected: %s snapshots"
+ "present" % len(snap_list))
+ g.log.info("Expected: No snapshots present")
+
+ # Create 2 snapshot
+ g.log.info("Starting to Create Snapshots")
+ for snap_num in range(0, 2):
+ ret, _, _ = snap_create(self.mnode, self.volname,
+ "snap-%s" % snap_num)
+ self.assertEqual(ret, 0, "Snapshot Creation failed"
+ " for snap-%s" % snap_num)
+ g.log.info("Snapshot snap-%s of volume %s created"
+ " successfully", snap_num, self.volname)
+
+ # Activate snap-0
+ g.log.info("Activating snapshot snap-0")
+ ret, _, _ = snap_activate(self.mnode, "snap-0")
+ self.assertEqual(ret, 0, "Failed to activate "
+ "Snapshot snap-0")
+ g.log.info("Snapshot snap-0 Activated Successfully")
+
+ # Enable USS for volume
+ g.log.info("Enable uss for volume")
+ ret, _, _ = enable_uss(self.mnode, self.volname)
+ self.assertEqual(ret, 0, "Failed to enable USS for "
+ " volume %s" % self.volname)
+ g.log.info("Successfully enabled USS "
+ "for volume %s", self.volname)
+
+ # Validate uss enabled
+ g.log.info("Validating uss enabled")
+ ret = is_uss_enabled(self.mnode, self.volname)
+ self.assertTrue(ret, "Failed to validate uss enable")
+ g.log.info("Successfully validated uss enable for volume"
+ "%s", self.volname)
+
+ # list activated snapshots directory under .snaps
+ g.log.info("Listing activated snapshots under .snaps")
+ for mount_obj in self.mounts:
+ ret, out, _ = uss_list_snaps(mount_obj.client_system,
+ mount_obj.mountpoint)
+ self.assertEqual(ret, 0, "Directory Listing Failed for"
+ " Activated Snapshot")
+ validate_dir = out.split('\n')
+ self.assertIn('snap-0', validate_dir, "Failed to "
+ "validate snap-0 under .snaps directory")
+ g.log.info("Activated Snapshot Successfully listed")
+ self.assertNotIn('snap-1', validate_dir, "Unexpected: "
+ "Successfully listed snap-1 under "
+ ".snaps directory")
+ g.log.info("Expected: De-activated Snapshot not listed")
+
+ # start I/0 ( write and read )
+ g.log.info("Starting IO on all mounts...")
+ all_mounts_procs = []
+ for mount_obj in self.mounts:
+ cmd = ("python %s create_files "
+ "-f 10 --base-file-name file %s/.snaps/abc/"
+ % (self.script_upload_path, mount_obj.mountpoint))
+ proc = g.run_async(mount_obj.client_system, cmd,
+ user=mount_obj.user)
+ all_mounts_procs.append(proc)
+
+ # IO should fail
+ g.log.info("IO should Fail with ROFS error.....")
+ ret = validate_io_procs(all_mounts_procs, self.mounts)
+ self.assertFalse(ret, "Unexpected: IO successfully completed")
+ g.log.info("Expected: IO failed to complete")
+
+ # validate snap-0 present in mountpoint
+ ret = view_snaps_from_mount(self.mounts, "snap-0")
+ self.assertTrue(ret, "UnExpected: Unable to list content "
+ "in activated snapshot"
+ " activated snapshot")
+ g.log.info("Expected: Successfully listed contents in"
+ " activated snapshot")